The kit includes the breech lock mounting bush, the adapter and the ring nut for the plastic container (91151) and funnel. The kit accepts the new case-scalers, not supplied, made of resistant steel and in various diameters. Fits any Breech Lock single stage refill press. If you do not have a single stage Breech lock press, but have a removable nut bushing, update it with the Lee Breech 1 1 / 4-12 (90512) or 1 1 / 2-12 Lee Breech lock upgrade kit. block upgrade kit. Made in the USA. Gross weight: 135 grams.